An structure analysis in columnar power house of Extension Project of Dahua hydropower station is made by 3d element program and considering three different water levels.
对大化水电站扩建工程的圆筒式厂房，在3种不同水位下，通过三维有限元程序，进行了结构分析，结果表明圆筒结构合理。
The structure of preloading filling spiral case is becoming larger and more complex correspondingly, and it is widely used in large hydropower house because of its reliability.
在已建的大型电站中，充水保压蜗壳结构以其独特的结构优势和可靠性得到了广泛的应用。
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